Historical account of dinitrogen-bridged diiron complex synthesis using a commercial tripodal ligand

Nathan C Smythe; Joydeb Mondal; Juan G Duque; Russell K Feller; Marco Flores; John C Gordon; Neil J Henson; Moshe Paz-Pasternak; Francisca N Rein; Brian L Scott; R Dean Taylor; Ryan J Trovitch

doi:10.1039/d5cc02058a

Historical account of dinitrogen-bridged diiron complex synthesis using a commercial tripodal ligand

Chem Commun (Camb). 2025 Jul 1;61(54):9908-9911. doi: 10.1039/d5cc02058a.

Authors

Affiliations

¹ Chemistry Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA. nsmythe@lanl.gov.
² School of Molecular Sciences, Arizona State University, Tempe, AZ 85287, USA. ryan.trovitch@asu.edu.
³ Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA.
⁴ Chemistry Division, Brookhaven National Laboratory, Upton, NY 11973, USA. jgordon1@bnl.gov.
⁵ Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA.
⁶ School of Physics and Astronomy, Tel Aviv University, 69978 Tel Aviv, Israel.

PMID: 40474851
DOI: 10.1039/d5cc02058a

Abstract

The KC₈ reduction of (Triphos)FeCl₂ in toluene under 3.4 atm of N₂ afforded [(Triphos)Fe]₂(μ-N₂), which features a modestly-activated N₂ ligand and antiferromagnetically coupled Fe(0) centres. The addition of H₂ to this compound yielded (Triphos)Fe(μ-H)₃Fe(μ-H)₃Fe(Triphos).